Accessory kits are compatible with iRobot Roomba E5 E6 E7 i7 i7+i6 i8 i3 i4 Plus 3150 E&i Series Vacuum Cleaner Refill Parts We recommend replacing spare parts every 1-3 months to keep your robotic vacuum running at its peak technology highly Efficient - Unique dual multi-surface rubber brushes won't get tangled with pet hair Brushes adjust and flex to stay in constant contact with carpets and hard floors Easy to Clean and Replace - Regularly clean and replace the rotating brush to improve suction and performance and extends the service life of your robot vacuum cleaner name: vacuum cleaner parts color: as shown material: plastic package contents: 2 set x brushes 4 x filters 4 x Edge Cleaning brushes 2 x tire skins only the above package content, other products not are included Note: Photos in low light and different displays may cause the color of the item in the picture a little different from the real thing, the allowable measurement error is +/- 1-3cm.